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php实现websocket实时消息推送
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SocketService.php
* h8 x) |4 c. F- <?php
$ |1 x( y) k5 ^ - /**
! T2 V( z* U4 r; t) | - * Created by xwx
2 l- A0 q2 g" g9 n- \/ z, r - * Date: 2017/10/18" A; n7 J1 [& k8 U0 r7 @% o1 j
- * Time: 14:33
~# }- H; g- D `' \3 F - */2 W3 B {% L+ N8 b
-
3 S/ G* x3 y4 K9 Q; T7 t - class SocketService, \1 y: c3 ^' _
- {
" O, v$ ?- h7 ?; {) C+ M, G - private $address = '0.0.0.0';, k- c0 v4 F/ ], D. y
- private $port = 8083;# T3 q& f9 J3 D- A
- private $_sockets;# }+ P, c" ~# A
- public function __construct($address = '', $port='')
7 I* F( T" [- y/ L - {
, T! e/ Y0 p5 K& V - if(!empty($address)){4 w- g$ M* I4 j1 y: A
- $this->address = $address;
1 C" ]" f- j3 b! N7 y7 c6 J( j - }2 ~' e. |' L8 K) G
- if(!empty($port)) {
$ W \* P6 j5 t5 {8 E0 J2 O2 x - $this->port = $port;
; i' h$ p0 B/ u. n& }+ { - }1 b5 b' {, h0 _- c
- }
+ m& D6 x+ n8 D. u -
( {, \4 C5 V, w - public function service(){! n9 h, z) _/ E$ @2 }4 A8 w# Z* L
- //获取tcp协议号码。5 j7 k( m% n9 @7 O. q
- $tcp = getprotobyname("tcp");# I! I) @ x$ L) e6 g
- $sock = socket_create(AF_INET, SOCK_STREAM, $tcp);7 R" y' X& ?3 C: I' s
- socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);% b) v" ^1 b" j* r
- if($sock < 0)6 k. T. R. y2 Q F5 H
- {) k- L W2 ~& T: }# |
- throw new Exception("failed to create socket: ".socket_strerror($sock)."\n");" V& Z4 J9 j* b( c
- }
! N; V7 p# B, J+ f$ ?! Z% Q - socket_bind($sock, $this->address, $this->port);
# v6 r3 ?' e+ O+ ?5 h( Y7 j - socket_listen($sock, $this->port);
; K& V0 y+ C a& u - echo "listen on $this->address $this->port ... \n";# s/ [3 @/ t5 Q \! O
- $this->_sockets = $sock;
7 b* ~" G* W5 {; F' @$ l: Y - }
A3 t9 d! \7 A G9 l -
/ ?- h8 x6 Y1 k7 z( ~: l# G+ b. E - public function run(){* o' v- P7 F: T( v1 \/ g! l
- $this->service();3 }) u+ S7 }/ I9 K
- $clients[] = $this->_sockets;$ a) D5 a1 O' x+ [4 K2 F
- while (true){
k* m% C/ k* z5 U& r. {, C - $changes = $clients;
8 }* R/ N& R# n( S8 ]' {0 c - $write = NULL;
9 T7 ^+ D& A- C6 Q$ y: u - $except = NULL;1 t e4 l3 d& y8 C6 z
- socket_select($changes, $write, $except, NULL);
) t; n9 a7 a# ?; S9 U - foreach ($changes as $key => $_sock){" W1 d" z+ _& X; D5 r, k
- if($this->_sockets == $_sock){ //判断是不是新接入的socket
9 _# F4 ]* {7 S5 b1 d8 u) P( ] - if(($newClient = socket_accept($_sock)) === false){
+ d& W& F3 X% q3 Z/ _& q - die('failed to accept socket: '.socket_strerror($_sock)."\n");
+ r: k, ]$ ?' n/ Z3 G( v - }
" N9 J h# O5 M% S' S& p2 f - $line = trim(socket_read($newClient, 1024));
/ X9 Y2 C7 S2 O3 S* x) U5 s - $this->handshaking($newClient, $line);
' ^: Q+ g0 Q4 R' K& r/ b ? - //获取client ip
+ w( u# C$ p- W) Q+ _ - socket_getpeername ($newClient, $ip);
: R5 Q( r- v3 m7 i! f - $clients[$ip] = $newClient;
8 f P) A9 `7 Y% l9 d9 ? - echo "Client ip:{$ip} \n";+ Z3 r. L2 V0 X; e* F3 i' T% K
- echo "Client msg:{$line} \n"; g$ c! p3 o$ b+ m6 I
- } else {/ H; g$ m* }9 _. F
- socket_recv($_sock, $buffer, 2048, 0);7 H0 U/ f8 j% [6 d) v
- $msg = $this->message($buffer);! v5 ?% s2 ]$ P3 K( w- d& R
- //在这里业务代码8 w/ r; N( Y# J2 w# I3 M- a
- echo "{$key} clinet msg:",$msg,"\n";& p6 }0 M) U. h9 z& X
- fwrite(STDOUT, 'Please input a argument:');
" [! h* `5 r0 \# ` - $response = trim(fgets(STDIN));
: l0 u2 K" ^1 X; z* c9 ` - $this->send($_sock, $response);& X2 _2 s* w( N! W4 k7 m9 u
- echo "{$key} response to Client:".$response,"\n";
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- }
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7 j+ x/ r/ @& O* Y l! d: `) { - /**
0 l2 t8 ?" k7 X' P - * 握手处理
- L, ?8 J: ]' Y& l& N - * @param $newClient socket* u, T9 G! f8 [& H
- * @return int 接收到的信息
6 A; U4 ]# \4 ], V5 F& i" \% K - */
8 E8 ^$ Y% z" f5 z M, ?/ z - public function handshaking($newClient, $line){' y% K) y$ p$ {5 Y) {( F8 X
- u% X1 Z, `1 V$ t4 u/ X
- $headers = array();2 o7 x0 v, x; J9 u, T ]; H
- $lines = preg_split("/\r\n/", $line);6 x4 C; o7 ^; S' _0 H
- foreach($lines as $line)
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- $line = chop($line);: w4 A9 P1 k3 x' P
- if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))- W8 K7 U5 i. M7 q( K* r
- {! |$ }+ V: R% d, p- w' a( |
- $headers[$matches[1]] = $matches[2];6 k5 u: j9 S* k) r. C
- }
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- $secKey = $headers['Sec-WebSocket-Key'];
7 C! e+ A# L+ s4 D; k4 a/ h - $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));% W* x6 U, v- c C* f
- $upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
8 q3 g/ Q& _+ D - "Upgrade: websocket\r\n" .
) q" X/ |, r% d1 e - "Connection: Upgrade\r\n" .& g$ S! [9 b# B& K% }9 Q5 ~
- "WebSocket-Origin: $this->address\r\n" .- w' @) G/ Q* k, ?/ j3 T- {
- "WebSocket-Location: ws://$this->address:$this->port/websocket/websocket\r\n".. m9 |: G$ I/ x, @
- "Sec-WebSocket-Accept:$secAccept\r\n\r\n";$ f: F; Q0 P3 K4 C* c( Y' x
- return socket_write($newClient, $upgrade, strlen($upgrade));
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- 1 [7 S" M3 m- Y. s; W: d
- /**; ^" ~, Z* c- B& X" A q5 E% x- P
- * 解析接收数据
6 b9 M3 k* ?1 T- q. [) r - * @param $buffer! Z+ k7 x/ }7 F" {8 w5 a% F$ E
- * @return null|string3 H8 X- t' U' @: q
- */
/ _0 f% E# I# \/ T- G1 c" G) K - public function message($buffer){
3 c% z" o9 a# \0 k+ o" P0 p - $len = $masks = $data = $decoded = null;% A/ p6 x# f4 [/ T, ?) V7 m* l' h
- $len = ord($buffer[1]) & 127;
8 e0 A1 M. H- \& n# ~* {: H - if ($len === 126) {
9 t( W' u# o+ E6 ?. U - $masks = substr($buffer, 4, 4);' \& x% o, V2 j' {, j& C9 I
- $data = substr($buffer, 8);9 R# g! N" b7 A) e+ S
- } else if ($len === 127) {
4 f1 K7 H0 Y& \" [4 y2 f - $masks = substr($buffer, 10, 4);
( ?; h4 \! R3 X) T- o6 W - $data = substr($buffer, 14);
9 P' y% z1 S0 V$ h - } else {
5 W) |# J; U |* C2 @ - $masks = substr($buffer, 2, 4);7 P5 B9 A; k. K6 z! j8 O
- $data = substr($buffer, 6); l: |5 v/ Z# x4 Q: \: h
- }( A) P1 j4 q( J1 o+ E5 M6 E
- for ($index = 0; $index < strlen($data); $index++) {( V% J6 q7 ?" d2 l! M% k& }7 s
- $decoded .= $data[$index] ^ $masks[$index % 4];7 A7 j8 Q$ w' ]( K. K4 M& V; E+ d
- }
+ M& t+ `( A$ k! R - return $decoded;
: I/ a1 h( C& D) T& w( b1 b - }
8 l/ |5 c5 |8 s0 t8 J" i- ] - 3 A) \# Z' _, K6 {* N3 O+ d
- /**
" P2 f# `5 O2 {0 h$ l* k* ~ - * 发送数据5 y$ p3 b5 y' u8 c5 {% U
- * @param $newClinet 新接入的socket
7 z- h; a$ v" Q, [; v8 y" o5 y* Q - * @param $msg 要发送的数据
2 f, b3 O( V5 r( T; Y' o) e - * @return int|string
$ z0 M4 ^1 R. r5 r1 f - */* z. P/ Z' h. I
- public function send($newClinet, $msg){/ }, E& \6 a- _$ A1 l& s4 R
- $msg = $this->frame($msg);
1 ?% S" {0 h6 d% M0 ]4 t; ~- t+ v( q - socket_write($newClinet, $msg, strlen($msg));# X8 c" Y7 e6 E' f% p& t% W, I
- }4 w8 [; X$ {7 {5 }# {( b
-
; h) G# S% ^+ v$ g2 B9 ]6 Q& X - public function frame($s) {& Z8 B2 c) I0 W6 |8 z# w
- $a = str_split($s, 125);
# V. L+ J. N8 @4 g - if (count($a) == 1) { i" u" S4 j! Y2 C ^! P
- return "\x81" . chr(strlen($a[0])) . $a[0];
& ?8 d4 I9 ~, G& q - }: o# z7 a# G5 k0 K0 \ r% B
- $ns = "";
5 [+ U' U3 W/ b - foreach ($a as $o) {
T$ s6 Y0 M0 j5 F# Q; Y - $ns .= "\x81" . chr(strlen($o)) . $o;
, \# n0 g& v$ a3 I& a; u0 f - }
% W8 h( L6 n& ~# N2 l4 s - return $ns;
' |$ h. m% m" h' O: Z# \! B( E - }
8 q6 u1 f1 M$ h( i1 g( r' P - - b8 H; s8 u' q% G; h: p" x
- /**' }& y: E% J- N$ R
- * 关闭socket
) x1 H) V, z1 V# f/ | - */
7 s+ Q+ _1 j- O/ k) \ - public function close(){
m' A- i: W7 n- Y" q5 P: w8 N/ W - return socket_close($this->_sockets);
4 N( z9 Q+ C- U, l - }$ ^( ], b/ p9 G. I3 O
- }8 l: M% U6 Y5 h; h) L6 Q7 B. g
-
) f. l9 F. b) _9 e' O3 v7 _ - $sock = new SocketService();& b/ m5 c% r. q* p+ X Y2 G. i% @
- $sock->run();
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复制代码 web.html
) v% O5 f, n. n) o& l1 S y- <!doctype html>' Z+ Y+ g$ L1 K: ?; y) Y9 L5 @
- <html lang="en">
; K+ C8 z7 U [ - <head>4 ~9 E! a6 z: K3 a; _
- <meta charset="UTF-8">
* E8 z- V3 Y) a {7 y7 U* e: Q* t0 z. F - <meta name="viewport" content="width=device-width,initial-scale=1, maximum-scale=1, user-scalable=no"> O% m8 `$ B: s, r, Z
- <title>websocket</title>
2 j8 g6 B; \3 T* ^' A - </head>
* k _6 L, h0 R - <body>
t( W$ G3 P, f6 { - <input id="text" value="">
; U% k& o `; [" \1 v - <input type="submit" value="send" onclick="start()">
5 q, {* Q$ F/ D - <input type="submit" value="close" onclick="close()">. f: F/ _# o! ?3 G& U& X
- <div id="msg"></div># g& p% H+ ^! r- M' X
- <script># R: f4 n+ M: B! b1 ?
- /**8 ?4 [% `7 G+ s2 o6 J$ F6 u
- 0:未连接
+ y& @' M% m5 M* U8 g- W7 ~ - 1:连接成功,可通讯
. s/ s% ]. [3 M) q. F- } - 2:正在关闭( Q8 I- k* p8 w" D& I
- 3:连接已关闭或无法打开
8 {5 g% L j, l+ h/ B* V8 z7 ^4 B - */
' Y4 a! g7 D p$ y; | -
) M0 T; H" c& B4 @, x, h3 P - //创建一个webSocket 实例- \) k1 G! B! P
- var webSocket = new WebSocket("ws://192.168.31.152:8083");* ~. j9 E7 D! j
-
7 i x! ]! t% C) p6 ?' @1 q - 9 y9 n u* q, u* E6 C# J9 V
- webSocket.onerror = function (event){
$ y2 y8 [. Y! o - onError(event);
' ^0 E" O4 p5 T0 U) Y5 @8 ^% ^2 } - };& @7 l9 m; `- n" M6 P
- e% ?, Z$ F+ P2 _& O. r4 N
- // 打开websocket
; Z* h: { H& z+ I4 N2 y - webSocket.onopen = function (event){
& s0 @9 w# @% \# b2 } - onOpen(event);
, W9 J* j. ~8 c. j - };" h) S8 P, y* Y; H8 C" ]# `
-
" M; k' C% `# }2 o; ~ - //监听消息
7 z* ]5 C& d, G9 e - webSocket.onmessage = function (event){
. W2 B: D7 b5 l9 N9 W- \$ j4 z - onMessage(event);; k1 d8 g# n# g1 e7 N
- };
$ a6 y& j; n, }0 F -
3 T5 ~8 b0 ~- M - + E2 E7 H$ |6 n( P! c j0 E
- webSocket.onclose = function (event){ }, C: v, X+ e) X* S/ k% [
- onClose(event);
8 D' v. r. [6 [' O1 {/ m - }; T( | r" y+ J
- " X* q# }6 _. m
- //关闭监听websocket5 U. e7 \( w, e i E s
- function onError(event){' x. d C7 T" o w0 L% x/ n1 v
- document.getElementById("msg").innerHTML = "<p>close</p>";+ S2 Z. a. E* I- f& `2 K# {: v
- console.log("error"+event.data);
1 u1 Y1 H) \; o; i) { - };( h2 d& ]+ P. Q: z5 Q; a5 K2 b
- ) `( E( m5 ~4 `% G
- function onOpen(event){
; K' p5 @( V, I5 W3 @; C - console.log("open:"+sockState());* ]9 F9 H& \6 H) C$ A$ H+ R& D2 i
- document.getElementById("msg").innerHTML = "<p>Connect to Service</p>";2 B5 Q: N' f ?" h+ | F+ _. n
- }; y3 w3 k# W7 e) F
- function onMessage(event){
* y: `1 ?5 C: I - console.log("onMessage");& w0 J; s7 N, M7 S4 c4 p8 H
- document.getElementById("msg").innerHTML += "<p>response:"+event.data+"</p>"/ \+ c9 t& F4 X6 z
- };
% y# p0 v2 `. O s. l -
5 C, V8 A9 [7 q: z% |! ]$ z - function onClose(event){/ L# y3 E. V3 S+ R
- document.getElementById("msg").innerHTML = "<p>close</p>";
8 L; d5 g; ~4 M" _$ ^ - console.log("close:"+sockState());1 _# _0 U# J- P# V
- webSocket.close();
4 u. U) W% C' ^2 R# @! ]8 } - }
f! N1 J9 }* X& y -
4 M+ D6 B$ j& [* K- c - function sockState(){
- @7 D" E* s, w G8 T1 t4 C - var status = ['未连接','连接成功,可通讯','正在关闭','连接已关闭或无法打开'];4 E6 d/ N# ~9 l! h8 V: c' Q" S
- return status[webSocket.readyState];( Q! V7 f8 h( b) _! o3 I
- }
# H8 v1 A) o' Q( i( }/ O - ! _* Z0 G0 [+ _: J7 q$ ? \' g
-
. c) f: O3 D0 j9 M+ L - 0 ^% ?. t. R' \6 k3 O$ z2 r
- function start(event){
% b7 K' f5 ~. P" f7 f5 L - console.log(webSocket);
N! E2 P6 K m/ D6 T9 w - var msg = document.getElementById('text').value;
U- r8 G" h9 O2 }7 b# G V - document.getElementById('text').value = '';4 V. f# K0 H0 |- i4 G) B# [7 N2 ~
- console.log("send:"+sockState());
* m) V- K6 ?1 h/ ? - console.log("msg="+msg);
0 ]9 b# t$ R$ e0 z# T - webSocket.send("msg="+msg);
# X R. J. b9 \, e. L - document.getElementById("msg").innerHTML += "<p>request"+msg+"</p>"
; G! n$ A& j' B: b" \ - };% {+ h1 I. `5 z3 i
-
# {! W5 X0 \; ]; |9 `# H9 j5 ?% ? - function close(event){' h$ p4 Q: Z b* s
- webSocket.close();
+ C" @& A; o3 Z0 m* J; `3 w- U - }
* y) z) _ D7 u3 `$ A3 P6 ^, l - </script>
+ o8 m9 j* A2 M8 P, a - </body>
& L/ T2 O2 I% R, E h# r5 V0 W - </html>
复制代码
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